package com.example.tests;

import static org.junit.Assert.assertThat;
import static org.hamcrest.Matchers.*;

import java.util.Random;

import org.testng.annotations.Test;

import com.example.utils.SortedListOf;

public class GroupsRemovalTests extends TestBase{


   @Test
   public void deleteSomeGroup() throws Exception {
	   // save old state
	   SortedListOf<GroupData> oldList = app.getGroupHelper().getGroups();
	   
	   Random rnd = new Random();
	   int index = rnd.nextInt(oldList.size()-1);
	    
	   // actions 
	   app.getGroupHelper().deleteGroup(index);
	   
	   // save new state
	   SortedListOf<GroupData> newList = app.getGroupHelper().getGroups();
	   // compare states
	    
	   assertThat(newList, equalTo(oldList.without(index)));

   }

}